LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2018 >> Spark LT, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - JATCO CVT) >> Diagnostic Information and Procedures >> DTC P0792 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
NOTE:

You must perform the Circuit/System Testing first.

K71 Transmission Control Module

  1. Ignition OFF, disconnect the harness connector at the B14B Transmission Turbine Speed Sensor/Secondary Pulley Speed Sensor.
    2. NOTE:

    Testing for steps 2 - 4 is performed on the B14B Transmission Turbine Speed Sensor/Secondary Pulley Speed Sensor harness connector using the GY probes J-35616-2A.

  2. Connect the red lead of the J-38522  variable signal generator to the sensor signal circuit terminal 2. Connect the black lead of the J-38522  variable signal generator to the low reference circuit terminal 1. Plug the power cord of the J-38522  variable signal generator into the cigar lighter.
  3. Set the J-38522  variable signal generator to 12 volts, the Frequency to 30, and the Duty Cycle to 50%.
  4. Ignition ON. Verify the scan tool Secondary Pulley Speed parameter is between the following specified ranges as you rotate the frequency switch through the various selections.
    • If not within the specified ranges, replace the K71 Transmission Control Module.
    • Go to next step: If within the specified range.
  5. K71 Transmission Control Module OK.
scientia non olet · About LEMON Manuals